Citiletter: Free City Guide vs My Heart Rate
A side-by-side look at Citiletter: Free City Guide and My Heart Rate. For an in-depth review of either product, follow the links below.
Citiletter: Free City Guide
Travel & Location
Citiletter is a free mobile app and website that provides city guides for travelers. It offers information on top attractions, restaurants, hotels, events, maps, and more for major cities around the world.
travelcity-guideattractionsrestaurantshotelseventsmaps
My Heart Rate
Sport & Health
My Heart Rate is a health and fitness app that allows users to measure and track their heart rate using the camera on their phone. The app uses photoplethysmography technology to detect subtle color changes in the user's fingertip that occur when blood is pumped through the body.
heart-ratehealthfitness
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